Mark Chaloupka
Born : 1964 Cat. M60 Ultrarunner since 2010 USA
30
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
46
DUV-index+ ?Largest integer N such that the race distances provide at least N complete segments of N km in total. A single long race may therefore contribute several segments. See the DUV-Index tab for the detailed calculation. calculation details
1
Countries visited ?USAUnited States
39,8%
Rank quotient ?This runner's calculation uses 30 eligible race(s): Σ(rank − 1) = 1 352; Σ finishers = 3 393. 1 352 / 3 393 × 100 = 39.85%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed30
Km — ultra races2 634 km
> 100 km8
> 160 km8
Longest race164,2 km

Km per year (ultra races)

2022
2023
2024
2025
80
1 race
2026

Race types (share of distance)

Trail100,0%

HISTORY

30 race(s)
DateRacePerf.Rk
2026
25.07 50mi USA20th Burning River 50 Mile Endurance Run 14:14:36 h213
2020
22.08 102mi USA14th Burning River 100 Mile Endurance Run 28:54:02 h67
2019
11.05 50km USA5th CLE Trail 50K 6:11:00 h23
2018
09.06 50mi USA3rd Eagle Up Ultra 50 Mile 9:53:38 h8
12.05 50km USA4th CLE Trail 50K 6:29:29 h14
31.03 50km USA11th Fools 50K Trail Run 7:25:56 h27
2017
17.06 100mi USA28th Mohican Trail 100 Mile 30:22:07 h58
13.05 50km USA3rd CLE Trail 50K 6:57:13 h25
22.04 50km USA10th Fools 50K Trail Run 6:23:30 h39
2016
18.06 100mi USA27th Mohican Trail 100 Mile 29:39:20 h72
02.04 50km USA9th Fools 50K Trail Run 5:54:46 h38
2015
12.09 100mi USA7th Run Woodstock - 100 Mile Hallucination Run 26:38:04 h51
20.06 50mi USA26th Mohican Trail 50 Mile 11:29:14 h41
29.03 50km USA8th Fools 50K Trail Run 6:45:32 h48
2014
02.08 100mi USA8th Burning River 100 Mile Endurance Run 27:51:51 h75
12.07 50km USA20th Buckeye Trail 50k 6:08:42 h45
21.06 50mi USA25th Mohican Trail 50 Mile 11:09:33 h43
30.03 50km USA7th Fools 50K Trail Run 6:21:07 h24
2013
27.07 100mi USA7th Burning River 100 Mile Endurance Run 25:50:24 h65
15.06 50mi USA24th Mohican Trail 50 Mile 12:01:42 h87
2012
28.07 100mi USA6th Burning River 100 Mile Endurance Run 24:42:57 h77
14.07 50km USA18th Buckeye Trail 50k 5:40:46 h35
16.06 50mi USA23th Mohican Trail 50 Mile 11:28:50 h42
01.04 50km USA5th Fools 50K Trail Run 5:15:40 h24
2011
18.06 50mi USA22th Mohican Trail 50 Mile 10:21:05 h17
17.04 50km USA3rd Forget the PR - Mohican 50k 5:53:21 h23
27.03 50km USA4th Fools 50K Trail Run 5:46:36 h31
2010
31.07 100mi USA4th Burning River 100 Mile Endurance Run 22:07:45 h39
19.06 50mi USA21th Mohican Trail 50 Mile 10:19:22 h10
28.03 50km USA3rd Fools 50K Trail Run 5:25:37 h21